Tender For supply and commissioning of micro controller based electronic speed indicating and recording system as per laxven systems model: lax-2000d8 for track machine to rdso specn no. mp.0.3700.07 rev-7 august-2017. having flash memories up to 90 days( internal memory). scale range 0- 120 kmph, voltage-24 vdc. each set consisting of following items. (1).recording cum indicator unit 01 no (2).speed indicator-01 no (3).pulse generator-01 no (4).junction box with adopter plate -01 no(5).connecting cable- 01 set of 04 nos (rci to ind cable length 35 meters). make: laxven or its equivalent. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of portable dc welding generator conforming to rdso specification. no. tm/sm/20 dt. 19.11.1992 second revision, 2022, with latest alteration if any. as per spec. clause 4.13 for auxiliary output: the portable d.c. welding generator set shall be fitted with a change-over switch to give auxiliary output as mentioned below, welding shall be carried out while drawing auxiliary output:voltage: 220-240 v ac. output :2500 watts at 50/60 hz [ warranty period: 30 months after the date of delivery ] ]
Tender For supply, installation and commissioning including modification in axle box cover (axle cutting and welding scope included) for micro controller based electronic speed indicating and recording system to rdso spec no. mp.0.3700.07 rev-7 august-2017 for tower wagon scale range 0-120 kmph, voltage-24 vdc. each set comprising of: (1). recording cum indicator unit -01 no (2). speed indicator unit - 01 no (3). pulse generator-01 no (4). junction box with adopter plate -01 no (5). connecting cables-01 set of 04 nos (cab-1 to cab-2 cable length 35 meters). [ warranty period: 30 months after the date of delivery ] ]
Tender For purchase of lab items for ece department - function generator frequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display. output waveforms: sine, triangle, square, pulse, ramp. amplitude: 0 20 vpp. rise time: 100 ns. distortion: 1% within specified frequency range. power supply: 230 v ac 10%, 50 60 hz. output amplifier protection: short-circuit and 15 voverload protection. dc offset: 0 to 10 v adjustable. attenuation: 0 to 60 db., 8051 micro centroller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable.
Tender For procurement of 2 core 4 square mm pvc/xlpe insulated sheathed multi strand armoured copper control cable voltage grade , 1.1 kv, frls. (1500 meters continuous length) for providing of separate dc supply to the generator (40mw) and gsu transformer (50mva) protection relays from dcdbs to ucb protection panels and also procurement of 2.5 sq mm, 1.5 sq mm hffr, pvc insulated 1100 v grade multi strand copper flexible cable bundles (90rmts each) for utilizing in mrt sub division at lower jurala hydro electric project, atmakur
Tender For supply of lab equipments - purchase of lab equipments, acidity test kitspecifications:ethyl alcohol sodium carbonate solution universal indicator solution laboratory-grade test tubes droppers colour comparison chart for test result comparison chemicals supplied in labelled containers with safety instructions suitable for laboratory educational and testing applications, single phase resistive loadspecifications:type: single phase loading rheostat power rating: 5 kw supply: 230 v ac, single phase, 50 hz total number of load steps: 8 approximate dimensions: 18 18 22 inches (l b h) comprising electrical load resistors suitable for laboratory loading applications resistors shall be special cement-insulated type mounted on powder-coated ms panel/enclosure individual on/off rotary switches provided for load selection mounted on rubber wheels/casters for portability, three phase resistive load specifications:rating: 5.25 kw supply: 415 v ac, 3-phase, 50 hz total number of load steps: 6 main switch to be provided approximate dimensions: 18 18 22 inches (l b h) comprising special cement-insulated electrical load resistors mounted on powder-coated ms panel/enclosure individual on/off rotary switches for load selection mounted on rubber wheels/casters for portability suitable for laboratory load testing applications proper insulation, ventilation, and earthing arrangement to be provided, three phase capacitor bank specifications: 3-phase capacitor bank rating: 2 kvar voltage: 440 v ac frequency: 50 hz heavy duty self-healing capacitor units powder coated ms enclosure compact panel mounted/floor mounted construction proper ventilation arrangement to be provided capacitor duty contactor/switch to be provided fuse/mcb protection to be provided discharge resistors to be provided for safety proper earthing arrangement provided, 3 phase auto transformer starter specifications: 3-phase variable autotransformer input: 415 v output: 0 470 v ac (continuous) current: 15 a copper wound, carbon brush type heavy duty toroidal/core construction mounted in powder coated ms/crca enclosure front panel mounted voltage control knob with scale indication proper insulated terminals provided floor/bench mounted type suitable for laboratory use input / output terminal arrangement provided mcb/fuse protection provided proper earthing terminal provided ventilation arrangement for heat dissipation, 3 floor lift interfacing model specifications: type: table-top lift model floors: 3 levels structure: transparent acrylic / ms frame cabin: moving lift car with guide rails drive: dc geared motor / stepper motor motion: up/down movement, floor indication leds (1, 2, 3) direction indicators (up/down), start & stop atevery stage, over load limit control three-floor lift operation plc interfacing and programming floor selection logic automatic stopping at floors direction indication system educational demonstration of elevator automation, mcb elcb trainer kit specifications: 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5amps two pole elcb 30ma lamp load single phase 5amps panel enclosure and terminal outlets, signal generator specifications: frequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display output waveforms: sine, triangle, square, pulse, ramp. amplitude: 0 20 vp-p. rise time: 100 ns. distortion, dso specifications: bandwidth: 50 - 100 mhz. sampling rate: 1gs/s. channels: 2 (minimum) power supply: 100v 240v ac, 50-60 hz automatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc., horizontal scale: 5 ns/div 50 s/div or equivalent vertical resolution: 8 bits (2 channels simultaneously) vertical sensitivity: 1 mv/div 10 v/div (at input) waveform math: +, -, x , , invert, fft etc., waveform storage: 16 waveforms or equivalent communication interface: usb host, usb interface. 7-inch color display or equivalent input impedance - 1 m 2%, // 20 pf 2 passive probes (1x/10x), pwm based
Tender For supply of lab equipments - purchase of lab equipments, ask modulation and demodulation kitspecifications: message signal1: 8-bit variable data,amplitude 5v. message signal 2: debounced data, amplitude low (0) and high (5 v). message signal 3: fixed data 25 khz, 12.5 khz, 6.25 khz, 3.12 khz, amplitude 5 v. carrier signal: sine wave, frequency 200 khz, amplitude 5 v. modulator type: switching modulator using analog switch / transistor switching ic. demodulator: envelope detector and lpf. comparator: lm311 based. supply voltage (board): +12 v, +5 v dc. supply current: 100 ma minimum. input voltage: 230 v ac, 50 hz. interface connectors: 2 mm banana socket., fiber optic communication trainer kitspecifications:power supply: 230 v ac 10%, 50 hz mains operation. built-in regulated power supply. optical transmitters: led transmitter: 660 nm. optical receivers: phototransistor / pin photodiode receiver. built-in signal conditioning and amplifier circuits. audio power amplifier with speaker/headphone output. comparator / pulse shaping circuit for digital signal recovery. test points for cro observation and signal monitoring. fiber media: multimode plastic optical fiber (pof). fiber patch cords with connectors. signal sources: built-in sine wave generator. built-in square wave / digital pulse generator. voice signal input through built-in microphone/audio source. trainer features: separate transmitter and receiver sections. on-board test points for signal observation. led indicators for signal monitoring. fault simulation facility. compact tabletop modular design. circuit diagram printed on pcb. bandwidth: analog bandwidth: up to 350 khz. digital bandwidth: up to 2.5 mhz. controls: variable signal amplitude control. variable frequency control. optical intensity adjustment. standard accessories: patch cords and connectors. power cord. audio connecting cable. user manual.